<template>
    <div>
        <el-row>
            <el-col :span="8" style="padding-right: 10px;">
                <el-card class="box-card">
                    <div class="user">
                        <img src="../assets//images/生成圆形头像.png" alt="" />
                        <div class="userinfo">
                            <p class="name">Admin</p>
                            <p class="access">超级管理员</p>
                        </div>
                    </div>
                    <div class="login-info">
                        <p>上次登录的时间：<span>2025-6-1</span></p>
                        <p>上次登录的地点：<span>天津</span></p>
                    </div>
                </el-card>
                <el-card style="margin-top: 20px;height: 460px;">
                    <el-table :data="tableData" style="width: 100%">
                        <el-table-column v-for="(val, key) in tableLabel" :prop="key" :label="val"></el-table-column>
                    </el-table>


                </el-card>
            </el-col>
            <el-col :span="16" style="padding-left: 10px;">
                <div class="num">
                    <el-card v-for="item in countData" :key="item.name" :body-style="{ display: 'flex', padding: 0 }">
                        <i class="icon" :class="`el-icon-${item.icon}`" :style="{ background: item.color }"></i>
                        <div class="detail">
                            <p class="price">￥{{ item.value }}</p>
                            <p class="desc">{{ item.name }}</p>
                        </div>
                    </el-card>
                </div>
                <el-card style="height: 280px;">
                    <!-- 折线图 -->
                    <div ref="echarts1" style="height: 280px;"></div>
                </el-card>
                <div class="graph">
                    <el-card style="height: 260px;">
                        <div ref="echarts2" style="height: 260px;"></div>
                    </el-card>
                    <el-card style="height: 260px;">
                        <div ref="echarts3" style="height: 240px;"></div>
                    </el-card>
                </div>
            </el-col>
        </el-row>

    </div>
</template>

<script>
import axios from 'axios';
import { getData } from '../api'
import * as echarts from 'echarts'
export default {

    data() {
        return {
            tableData: [],
            tableLabel: {
                name: '课程',
                todayBuy: '今日购买',
                monthBuy: '本月购买',
                totalBuy: '总购买'
            },
            countData: [
                {
                    name: "今日支付订单",
                    value: 1234,
                    icon: "success",
                    color: "#2ec7c9",
                },
                {
                    name: "今日收藏订单",
                    value: 210,
                    icon: "star-on",
                    color: "#ffb980",
                },
                {
                    name: "今日未支付订单",
                    value: 1234,
                    icon: "s-goods",
                    color: "#5ab1ef",
                },
                {
                    name: "本月支付订单",
                    value: 1234,
                    icon: "success",
                    color: "#2ec7c9",
                },
                {
                    name: "本月收藏订单",
                    value: 210,
                    icon: "star-on",
                    color: "#ffb980",
                },
                {
                    name: "本月未支付订单",
                    value: 1234,
                    icon: "s-goods",
                    color: "#5ab1ef",
                },
            ]
        }
    },
    mounted() {
        getData().then(({ data }) => {
            const { tableData, orderData, userData, videoData } = data.data

            this.tableData = tableData

            // 处理数据
            // this.$refs 用于访问组件或 DOM 元素的引用。
            // 当在模板中使用 ref 属性标记一个元素或组件时，
            // Vue 会将这个引用存储在 this.$refs 对象中，以便在组件的
            //  JavaScript 代码中直接访问。
            const echarts1 = echarts.init(this.$refs.echarts1)
            // Object.keys() 是一个内置方法，用于返回一个对象的所有可枚举属性组成的数组
            const xAxis = Object.keys(orderData.data[0])
            const xAxisData = {
                data: xAxis
            }
            const echarts1Option = {}
            echarts1Option.xAxis = xAxisData
            echarts1Option.yAxis = {}
            echarts1Option.legend = xAxisData
            echarts1Option.series = []
            // 动态创建多个折线图
            // echarts1Option.series.push 添加系列
            xAxis.forEach(key => {
                echarts1Option.series.push({
                    name: key,
                    data: orderData.data.map(item => item[key]),
                    type: 'line'
                })
            })
            echarts1.setOption(echarts1Option)

            // 柱状图
            const echarts2 = echarts.init(this.$refs.echarts2)

            // 指定图表的配置项和数据
            var echarts2Option = {
                title: {

                },
                tooltip: {},
                legend: {
                    data: ['新增用户', '活跃用户']
                },
                xAxis: {
                    type: 'category',
                    data: userData.map(item => item.date)
                },
                yAxis: { type: "value", },
                series: [
                    {
                        name: '新增用户',
                        type: 'bar',
                        data: userData.map(item => item.new),
                        color:'#2ec7c9'
                    },
                    {
                        name: '活跃用户',
                        type: 'bar',
                        data: userData.map(item => item.active),
                        color:'#5ab1ef'
                    }
                ]
            };

            // 使用刚指定的配置项和数据显示图表。
            echarts2.setOption(echarts2Option)


            // 饼状图
            const echarts3 = echarts.init(this.$refs.echarts3)
            var echarts3Option = {
                tooltip: {
                    trigger: 'item'
                },
                series: [
                    {
                        type: 'pie',
                        data: videoData
                    }
                ],
            };
            echarts3.setOption(echarts3Option)
        })
    }
}

</script>
<style lang="less" scoped>
.user {
    padding-bottom: 20px;
    margin-bottom: 20px;
    border-bottom: 1px solid #ccc;
    display: flex;
    align-items: center;

    img {
        margin-right: 40px;
        width: 150px;
        height: 150px;
        border-radius: 50%;
    }

}

.login-info {
    p {
        line-height: 28px;
        font-size: 14px;
        color: #999;

        span {
            color: #666;
            margin-left: 60px;
        }
    }
}

.userinfo {
    .name {
        font-size: 32px;
        margin-bottom: 10px;
    }

    .access {
        color: #999;
    }
}

.num {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;

    .icon {
        width: 80px;
        height: 80px;
        font-size: 30px;
        text-align: center;
        line-height: 80px;
        color: #fff;
    }

    .detail {
        margin-left: 15px;
        display: flex;
        flex-direction: column;
        justify-content: center;

        .price {
            font-size: 30px;
            margin-bottom: 10px;
            line-height: 30px;
            height: 30px;
        }

        .desc {
            font-size: 14px;
            color: #999;
            text-align: center;
        }
    }

    .el-card {
        width: 32%;
        margin-bottom: 20px;
    }
}

.graph {
    display: flex;
    justify-content: space-between;

    .el-card {
        width: 48%;
        margin-top: 20px;
    }
}
</style>